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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/powerpc/boot/
1/*
2 * Old U-boot compatibility for 8xx
3 *
4 * Author: Scott Wood <scottwood@freescale.com>
5 *
6 * Copyright (c) 2007 Freescale Semiconductor, Inc.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13#include "ops.h"
14#include "stdio.h"
15#include "cuboot.h"
16
17#define TARGET_8xx
18#define TARGET_HAS_ETH1
19#include "ppcboot.h"
20
21static bd_t bd;
22
23static void platform_fixups(void)
24{
25	void *node;
26
27	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
28	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
29	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
30
31	node = finddevice("/soc/cpm");
32	if (node)
33		setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
34
35	node = finddevice("/soc/cpm/brg");
36	if (node)
37		setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
38}
39
40void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
41                   unsigned long r6, unsigned long r7)
42{
43	CUBOOT_INIT();
44	fdt_init(_dtb_start);
45	serial_console_init();
46	platform_ops.fixups = platform_fixups;
47}
48